Abstract

Radiation scattered from a V-shaped groove in the resonance domain was measured and compared to predictions from a rigorous theory. The calculated scattering accurately predicted the number of peaks and general shape of the observed scattering. Small variations in groove shape were found to alter peak heights noticeably and peak positions slightly. Finite beam size caused unavoidable discrepancies between calculated and measured scattering.

© 1983 Optical Society of America

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References

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  1. D. Maystre, “Electromagnetic Scattering from Perfectly Conducting Rough Surfaces in the Resonance Region,” IEEE Trans. Antennas Propag. accepted for publication.
  2. R. Petit, Ed., Electromagnetic Theory of Gratings (Springer-Verlag, New York, 1980).
    [CrossRef]
  3. G. S. White, A. Feldman, Appl. Opt. 20, 2585 (1981).
    [CrossRef] [PubMed]

1981

Feldman, A.

Maystre, D.

D. Maystre, “Electromagnetic Scattering from Perfectly Conducting Rough Surfaces in the Resonance Region,” IEEE Trans. Antennas Propag. accepted for publication.

White, G. S.

Appl. Opt.

Other

D. Maystre, “Electromagnetic Scattering from Perfectly Conducting Rough Surfaces in the Resonance Region,” IEEE Trans. Antennas Propag. accepted for publication.

R. Petit, Ed., Electromagnetic Theory of Gratings (Springer-Verlag, New York, 1980).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Diamond profilometer measurements of the experimental V-groove. Profiles are 100 μm apart. Positions I and II mark approximate sites of scattering measurements along the groove. Profiles at 1500 and 1600 μm from the end are used for calculating scattering.

Fig. 2
Fig. 2

Composite diagram scattering observed at site I (solid dots) and scattering calculated from profiles at (a) 1500 and (b) 1600 μm from the end of the groove.

Fig. 3
Fig. 3

Composite of scattering observed at site I (solid dots) and (a) scattering calculated from linear combination of the profiles at 1500 and 1600 μm, and (b) scattering from a combination of the calculated scattering from profiles at 1500 and 1600 μm.

Fig. 4
Fig. 4

Comparison of scattering calculated from linear combination of profiles at 1500 and 1600 μm (solid line) and scattering measured from position II.

Tables (3)

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Table I Peak Positions (Degrees) and Relative Heights (% Height = 100% × Calc/Exp)

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Table II Peak Positions (Degrees) and Relative Heights (% Height = 100% × Calc/Exp)

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Table III Peak Positions (Degrees) and Relative Heights (% Height = 100% × Calc/Exp)

Metrics